Device for automatically closing the air release or bleeder cocks of air brakes



Aug. 12, 1930. R. B. WHEELER L DEVICE FOR AUTOMATICALLY CLOSING THE AIRRELEASE OR BLEEDER cocKs OF AIR BRAKES Filed June 17, 1929 gmmkw12$.Wheeler Q/ 21/. I? draw.

e 25 is to' provide an improveddevice ofthisclass i cylinder '10provided jwith ,the usual.- pijston Patented Aug; 12 L einstat ng; '7

'This inventionrea es'totheair'brake systh lever l 2 hichis kno virfi astheflflozitin" 't fu g'l on raihqadbars and hasspecial fl'vervfina'fbralie'sy's ni','certain"'lei ersreferenc'e to an automatic clamp:and release: "links an otherFpa rts eing used to conn ct for therelease valve operating. rodof the, lthishverw the b'riakejbeamsfSfich'parts usual brake cylinder. r shbwms-phey form no art af 65- Inthe construction of air brake apparatus. their 1 mean ime nseam"samem ait is common to employ-beneath each "cane Qs'onEth nteriorslooiistruction*ofthe'cylindera v a brake cylinder which is charged 'withairfun isYIiot manganese:skined' i iiith? der pressure to hold thebrakes in set position. art understandthat ther is the ciylirfa Attimesin the operation of cars and trains ,uer alI pistonnrhich carri'estheplunger 00s it is desirable to release the brakes of spar-f: and-thatthe plunger is here showninitsproticular car and to this end .the'biajkecylinder ignitedorfv brake setting "position; the eyhnder isprovidedwith'a release valve ,or bleeder thefpi'ston being full'offairf underwhich is opened by draivvingout on" avalve ;-pressureat-this line.""Alsoj'thecylinder' is '15 operating rod Whi'chrunsunder the can to;protiidedfiiththeigusual fbleedeit or release 65 the side thereof.Asbrdihariljconstructed, jovial?" "is openedlfronfeithersidebf it isnecessary for the brakeman 01-yard hand j "theiciar filling outwa dlyuponfth'eivalve to hold this rod outf ntilthe' cylinder has operatingf'14j3extendingto thatxsideffoff been bledvand the brakes set. f f1 1'athecarandthusactuatin "t er'espeeu-vebell '20 One important objectof theinventionisto; nkfl5-to open the val f lo i provide anautomatic"device,' ofi1nproved "i f thefaboye "parts'fare ld and wellconstructioni for ho'l'dingithe frod infits"out ifknownfand arehreshowfthe-puiposeo'f wardly pulled orrelease position. J, i; illustration inthea'pplica onfofj the parts i A second important object oftheinventionj "f' Qil i verition. a f K I p g s menu annual-a1,membersofwherein, upon the completion ofthefbleed: *a car on which irstsreyiinderv 10 and j ing of the cylinder,- thef rod willbe set soclampedfto extendin up i p I f om this a that the release valve i niayj;10sq;rea y:or be'r'onoppositesidesojone oflthe valve opthe next time'thecylinder is {charged with} geraua i'bils ll are therod clainpsll and 18,air to release the brakes ft lfoiinerbeing preferablj terinedthe fixed ir i With the above and 'otherobjectsyin view, awof thexclainfp'andfl thelatter the moi'ab'le. s I Y as will be hereinafter apparent,theinyentionJaLW t-hereof, A boltl9?pa sses]throughthese 'consistsingeneraloficertain' noyel-detailstof-i'aiysfust A g construction andcombination'sofparts;;:here fo thlsfoltlisfla@coiledgcompression-spring}? v p i ina ft or fullydescribedfillustrated theao hy -ifmeanso f which thenpper endsofthefiifi 1 1 J 7 companyingz drawings andspecifically emu-sauna 18' areforced"together[and' I claimed. I 1 caused-toclamp the rod 14, thepressure-e116: r p In the accompan ing diawi lgselike char? firted by thspringpain fl-suflioient'to hold, actersgof referenceindicate'likelpartslin the thfl odj ihfpbsi idntdrtam the reileasevalve a *40'several'views,and-;f j pqsi b mf t pd'h i d wnwg, =Figu1'e'1 is a Sideelevation:of astandard f d "bythe" ifakeniianbfltwill bei-notdj f} Iform of, brake" cylinderequippedlwithlthe 'bjelw atheroa mandeapneanFigure 2 is a planfview thereof. a I

" Figure 3 isa sectionfon the liney3I-J3 of" v, I p M In theembodimentofthei in vention here- -'*thifs ibracketiiextends a{trip rodi'or opushfin shown thereis disclosedlanordinary brake rod122fwhichi passesthroughaguide'bracket 1 i itably 'secured on'the cylinde ltwill bei H 'tejdthjat, with?"the l plung'er p 0 u'ded and} 1 a gd or plunger- 1 1;Thisirod is r o y 2. e c hjnation w th ar brekecylinder, 1 p 1 V I: p

t P r! a d. w-b er elr b m ne amide .T :e p ieg P e ined; .oiw e 'e sp n"stun the brakes set, the rod terminates in spaced relation to themember 18 and is in alinement therewith. 1 V V The action of the devicemay now be readily understood. Suppose that it is desired to release theair from the cylinder and thus release the Inches of the car. Thehrakeman pulls out on the rod 14. and lets go of it. hrough the actionof the clamp 'aws the rod will beheld in its outwardly pulled position.a In this position of the rod the release valye is open and the cylinderwill be'bl dof the a compressed air therein. As the cylinder is bled theplunger will move inwardly'and this action Wlll continue until'thetriprod22 enggges againstthe inner face of the toppazrt of t e me'inberl8 whereupon it will push this release the rod 14 so that the bleedervalve for naming with air.

so arranged I leasedbythetime the radi action ofthe clampiaws;

, p re eficient device oi kind described and for txe r s p f It isobvious that g p 7 made i the form and construction, ofthe' in- .3?princ esrnvolvedi .toin ude n. 7v V which may come within thescope'flaimed.

" 'Ha vmg th It is mereiom desired is clamied'as new is; 1

f lam Q re s: .12 w re P said rod'to g] ted sm es M -99m s d li n im m mn the lungert'o brakereleasing position, H

jBjWS one o which is movable relativeto the a nut 'thre will now closeand thecylinder thusbe ready Obvious y-thw I that thefbralteswillherereleasedfroin thus been provided a simple and 4 l withoutdeputingfrom-the material 3t theinyention all these forms s7 de P ibd ieliw-lw ii et Y 1, The wmbinntion w th a lirlal'geoyliiider, ,M

and its hleeder -valve opereting f other jaw upon movement of theplunger to. brake releasing position.

4. The combination with a brake cylinder, its plunger and its 'bleedervalve operatin rod; of a pair of clamping jaws gripping sai 7o rod to hod the same in ad'usted osition, a beaded s 'ngrod p t on mm with its endresting against one jaw'and its body projecting beyond the other jaw, aspring surrounding said spring rod and bear-- ing at one end a ainst theast mentioned jaw,

aided on said rod and against the remaining end of the spring, an means"carried by the plunger to engage and open said jaws upon movement of theplunger to brakesetting position.

A 1 a RAY B. WHEELER.

wALTER P. QRITES;

minor: changes be a1 it old the jsa n etinad ns H ,posil l a man, andmeans carried by the plunger to J otherandwhichnormally grip thesaid rodv V on up site sides thereof,ran d meanscarriei'l by saidplunger toengaqe the Inovak'rflejaw M and force it eway from the othertjawqupon vI c qibr k r hes n ,gl noy'e nsent of the plunger i 3 Thecombinationwith a bralse cylinder,

fits plunger and its bleeder,

t s d c amp 10 max mum t e time o wh hl is new etopem n I no mmlmlwllifih n rmallygrigithe we e I ;j

to sides thereof, and ajhracket pe a clampedto the outer end of theplunger, and

ultimo to the saidujewa'way' Mi carried by id bracket A exiteudi 1 7 1mmudlmithe ilg 'x rd'a and in t F 1 'fi'omthe said jaw and: .7

m the

